Table 2. Comparisons between the imaging techniques.

P values were determined using the chi-square test.

IT, imaging technique; 0, without defect; 1, 0.6 mm defect; 2, 1.0 mm defect; 3, 1.4 mm defect; 4, 1.8 mm defect; CD, correct diagnosis; DPR, digital periapical radiography; CBCT, cone-beam computed tomography.

^¶: in general, ^§: in the mandible, ^¥: in the maxilla; ^#: in single-rooted teeth, ^δ: in multi-rooted teeth.